JBL- KX180A Professional-Grade Digital Processor Home Karaoke Entertainment. KX180A is a professional-grade digital processor designed for karaoke applications and provides a full set of audio processing for enhancing or fine-tuning music and voice. KX180A is equipped with three 6.5mm connectors for microphone input, two groups of RCA connectors and an optical connector for music input, and one pair of RCA connectors for recording out. It supports storage and recall of up to 10 presets and manual or auto control of Dance or Sing mode. Two groups of microphone inputs. 15-band PEQ and compressor for each Mic Input. Three levels of Feedback Inhibition for each Mic Input. Independent control of Echo and Reverberation. Two pairs of RCA connectors and an Optical connector for Music Input. 15-band PEQ for Music Input. Three levels of Excitement for Music Input. Six output channels: Right, Left, Centre, Sub, Surround Right and Surround Left. 10-band PEQ for Right and Left Outputs. 7-band PEQ for Surround and Centre Outputs. 5-band PEQ for Subwoofer Output. Compressor provided for each output channel. Two independent REC channels can be paired into stereo. Authority control for front panel controls. Up to 10 presets can be saved. Dance or Sing mode of each microphone input channel can be switched manually or automatically. Input: XLR and 6.3mm Jack for microphone, RCA and Optical. Output: XLR and RCA. Frequency response range: 20Hz-20kHz. DSP processor: 32 bits. Computer connection: USB 2.0. Dimensions (W X D X H): 485 X 205 X 47mm. Optical Audio Cable X 1pc. Yinleader 500W Voltage Transformer Power Converter(220V to 110V) X 1pc. We will respond to you within 24 hours and do our best to help you out! WE OFFER 24/7 CUSTOMER SERVICE!! This includes all original packaging, accessories, and documentation. Items that do not have the original packaging cannot be accepted for return.